Club Carlson has been running these flash sales all week where you get a bonus of 75% when you buy points. The sales are announced on their Facebook page so you need to be liking the page to see it come up in your feed.
Time for another Gold Points Flash Sale! Buy points with a 75% bonus from now until 10:15 p.m. EDT: http://bit.ly/1488d5j
Club Carlson can be useful to eco-travelers in Panama.